How does a whip break the sound barrier? (Slow Motion Shockwave formation) - Smarter Every Day 207

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Check out Derek's video about Schlieren Photography on Veritasium!
https://www.youtube.com/watch?v=4tgOyU34D44

The awesome German Paper:
https://link.springer.com/article/10.1007/s001930050093

University of Arizona paper:
http://www.e-kaczor.net/keiko/whip.pdf

History of Shock waves:
https://books.google.com/books?id=PmuqCHDC3pwC&pg=PA69&lpg=PA69&dq=otto+lummer+whip&source=bl&ots=odJCjhXq1g&sig=ByriDEpT8KJ-9Vj-iUijGC-cKWg&hl=en&sa=X&ved=2ahUKEwjx-O_1nL7fAhXtYt8KHWmzAU0Q6AEwCXoECAIQAQ#v=onepage&q=otto%20lummer%20whip&f=false

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April Jennifer Choi is a Mechanical Engineer and Professional Whip Artist from Peoria, IL. She has a Master's Degree in Computational Fluid Dynamics as well as several Guinness World Records in Whip Cracking. April is also a well known Fire Performer and you can check out what she does on Social Media through these links.
http://www.instagram.com/withoutshade86/
http://youtube.com/c/AprilJenniferChoi
http://www.facebook.com/AprilJennChoi/

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Disclaimer:
“Information related to UAH contained in this video is subject to change by the appropriate officials of The University of Alabama in Huntsville without prior notice. Material and information in this video do not serve as a contract between The University of Alabama in Huntsville and any other party and do not serve as an endorsement of any paid sponsor of this video.”

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S01E289 - Why Laminar Flow is AWESOME - Smarter Every Day 208